Dinsmore made the first wet process porcelain line insulator

[Newspaper]

Publication: The Salt Lake Tribune

Salt Lake City, UT, United Statesvol. 129, no. 43, p. 45, col. 2

B. B. Dinsmore, Imperial Porcelain company, Trenton, N. J., made the first high voltage wet process line insulator in this country. He made 10,000 insulators, rated 10 k. v., for a Pacific coast company in 1894.